39870180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31643}}^1$

素因数の和:31665

約数の個数: 72

約数和(自身を含む): 138220992

約数和(自身を除く): 98350812

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 31643, 63286, 94929, 126572, 158215, 189858, 221501, 284787, 316430, 379716, 443002, 474645, 569574, 632860, 664503, 886004, 949290, 1107505, 1139148, 1329006, 1423935, 1898580, 1993509, 2215010, 2658012, 2847870, 3322515, 3987018, 4430020, 5695740, 6645030, 7974036, 9967545, 13290060, 19935090, 39870180]

約数ペア:

[(1, 39870180), (2, 19935090), (3, 13290060), (4, 9967545), (5, 7974036), (6, 6645030), (7, 5695740), (9, 4430020), (10, 3987018), (12, 3322515), (14, 2847870), (15, 2658012), (18, 2215010), (20, 1993509), (21, 1898580), (28, 1423935), (30, 1329006), (35, 1139148), (36, 1107505), (42, 949290), (45, 886004), (60, 664503), (63, 632860), (70, 569574), (84, 474645), (90, 443002), (105, 379716), (126, 316430), (140, 284787), (180, 221501), (210, 189858), (252, 158215), (315, 126572), (420, 94929), (630, 63286), (1260, 31643)]